At 41 inches tall, the added height makes this gate just right for large pets and pets that like to jump. Expands from 29 to 40 inches wide. Add the included 6-inch extension and expand your gate to 40 inches wide. Convenient walk-through design has an easy, one-touch release handle. Patented pet door is 10 inches by 7 inches to let small pets pass through, while everyone else stays put. Pressure mount system makes set-up quick and easy. Perfect for doorways and staircases.All-steel construction is sturdy, durable, lead-free, non-toxic and chew-proof.